[go: up one dir, main page]

DK137233B - Fremgangsmåde til syntese af urinstof. - Google Patents

Fremgangsmåde til syntese af urinstof.

Info

Publication number
DK137233B
DK137233B DK302770AA DK302770A DK137233B DK 137233 B DK137233 B DK 137233B DK 302770A A DK302770A A DK 302770AA DK 302770 A DK302770 A DK 302770A DK 137233 B DK137233 B DK 137233B
Authority
DK
Denmark
Prior art keywords
urea
synthesis
Prior art date
Application number
DK302770AA
Other languages
Danish (da)
English (en)
Other versions
DK137233C (nl
Inventor
Eiji Otsuka
Kazumichi Kanai
Shinji Yoshimura
Shigeru Inoue
Original Assignee
Mitsui Toatsu Chemicals
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP44045395A external-priority patent/JPS4842860B1/ja
Priority claimed from JP44071237A external-priority patent/JPS4843101B1/ja
Application filed by Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of DK137233B publication Critical patent/DK137233B/da
Application granted granted Critical
Publication of DK137233C publication Critical patent/DK137233C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK302770AA 1969-06-11 1970-06-11 Fremgangsmåde til syntese af urinstof. DK137233B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP44045395A JPS4842860B1 (nl) 1969-06-11 1969-06-11
JP44071237A JPS4843101B1 (nl) 1969-09-10 1969-09-10

Publications (2)

Publication Number Publication Date
DK137233B true DK137233B (da) 1978-02-06
DK137233C DK137233C (nl) 1978-07-10

Family

ID=26385371

Family Applications (1)

Application Number Title Priority Date Filing Date
DK302770AA DK137233B (da) 1969-06-11 1970-06-11 Fremgangsmåde til syntese af urinstof.

Country Status (6)

Country Link
DK (1) DK137233B (nl)
ES (1) ES379855A1 (nl)
FR (1) FR2051080A5 (nl)
GB (1) GB1273913A (nl)
NL (1) NL166013C (nl)
SU (1) SU458126A3 (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094903A (en) * 1976-01-21 1978-06-13 Ivo Mavrovic Urea synthesis with improved heat recovery and conversion
IT1211125B (it) * 1981-10-16 1989-09-29 Ortu Francesco Composti azotati. processo per la preparazione di

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108593C (nl) * 1958-05-07
NL101446C (nl) * 1960-04-08
FR1458030A (fr) * 1964-12-16 1966-01-24 Stamicarbon Procédé et dispositif pour la préparation d'urée
FR1487249A (fr) * 1966-04-05 1967-06-30 Inventa Ag Procédé de fabrication de l'urée à partir de l'ammoniac et de l'anhydride carbonique

Also Published As

Publication number Publication date
SU458126A3 (ru) 1975-01-25
FR2051080A5 (nl) 1971-04-02
GB1273913A (en) 1972-05-10
DK137233C (nl) 1978-07-10
NL166013C (nl) 1981-06-15
ES379855A1 (es) 1973-02-16
NL7007846A (nl) 1970-12-15
NL166013B (nl) 1981-01-15

Similar Documents

Publication Publication Date Title
DK130306B (da) Analogifremgangsmåde til fremstilling af S-trialkylphosphinguld-1-thio-β-D-glucopyranosider.
DK136314B (da) Analogifremgangsmåde til fremstilling af benzamidoethylpiperaziner.
DK140697B (da) Fremgangsmåde til fremstilling af 2-amino-4-hydroxy-6-hydroxymethyl-7,7-dimethyl-7,8-dihydropteridin.
DK138681B (da) Fremgangsmåde til fremstilling af syntesegas.
DK131933B (da) Analogifremgangsmåde til fremstilling af et adamantylurinstofderivat.
DK139815B (da) Fremgangsmåde til fremstilling af urinstof.
DK133375B (da) Analogifremgangsmåde til fremstilling af 1-carbamoyl-3-phenylpyrrolidiner.
DK126944B (da) Analogifremgangsmåde til fremstilling af hexahydrobenzindolderivater.
DK125089B (da) Analogifremgangsmåde til fremstilling af evomonosidderivater.
DK119604B (da) Fremgangsmåde til fremstilling af urinstof.
DK128006B (da) Analogifremgangsmåde til fremstilling af 11-desacetoxy-wortmannin.
DK128778B (da) Analogifremgangsmåde til fremstilling af bis-2-carboxy-chromonylderivater.
DK131863B (da) Analogifremgangsmåde til fremstilling af thiazolino- eller thiazidino-pyrimidinderivater.
DK135987B (da) Fremgangsmåde til fremstilling af urinstof.
DK128737B (da) Analogifremgangsmåde til fremstilling af 6α-methyl-17α-caproyloxy-19-norprogesteron.
DK137233B (da) Fremgangsmåde til syntese af urinstof.
DK123096B (da) Analogifremgangsmåde til fremstilling af neriifolinderivater.
DK122456B (da) Fremgangsmåde til fremstilling af quinoxalin-di-N-oxid-aldehyd.
DK122127B (da) Analogifremgangsmåde til fremstilling af 3-phenyl-4-acyloxycarbostyriler.
DK123816B (da) Analogifremgangsmåde til fremstilling af N-phenacylcarbamater.
DK124686B (da) Analogifremgangsmåde til fremstilling af bis-thiachromonylforbindelser.
DK139097B (da) Analogifremgangsmåde til fremstilling af isobutyl-cyclohexenyl-derivater.
DK126991B (da) Analogifremgangsmåde til fremstilling af 1-phenoxy-3-amino-2-propanolderivater.
DK125391B (da) Fremgangsmåde til fremstilling af N-cyclohexenyl-N-aryl-urinstoffer.
DK133781B (da) Analogifremgangsmåde til fremstilling af N-substituerede 3-hydroxy-9-azamorfinanforbindelser.

Legal Events

Date Code Title Description
PBP Patent lapsed